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#ifndef SCSI_SRP_H
#define SCSI_SRP_H
#include <linux/types.h>
enum {
SRP_LOGIN_REQ = 0x00,
SRP_TSK_MGMT = 0x01,
SRP_CMD = 0x02,
SRP_I_LOGOUT = 0x03,
SRP_LOGIN_RSP = 0xc0,
SRP_RSP = 0xc1,
SRP_LOGIN_REJ = 0xc2,
SRP_T_LOGOUT = 0x80,
SRP_CRED_REQ = 0x81,
SRP_AER_REQ = 0x82,
SRP_CRED_RSP = 0x41,
SRP_AER_RSP = 0x42
};
enum {
SRP_BUF_FORMAT_DIRECT = 1 << 1,
SRP_BUF_FORMAT_INDIRECT = 1 << 2
};
enum {
SRP_NO_DATA_DESC = 0,
SRP_DATA_DESC_DIRECT = 1,
SRP_DATA_DESC_INDIRECT = 2
};
enum {
SRP_TSK_ABORT_TASK = 0x01,
SRP_TSK_ABORT_TASK_SET = 0x02,
SRP_TSK_CLEAR_TASK_SET = 0x04,
SRP_TSK_LUN_RESET = 0x08,
SRP_TSK_CLEAR_ACA = 0x40
};
enum srp_login_rej_reason {
SRP_LOGIN_REJ_UNABLE_ESTABLISH_CHANNEL = 0x00010000,
SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES = 0x00010001,
SRP_LOGIN_REJ_REQ_IT_IU_LENGTH_TOO_LARGE = 0x00010002,
SRP_LOGIN_REJ_UNABLE_ASSOCIATE_CHANNEL = 0x00010003,
SRP_LOGIN_REJ_UNSUPPORTED_DESCRIPTOR_FMT = 0x00010004,
SRP_LOGIN_REJ_MULTI_CHANNEL_UNSUPPORTED = 0x00010005,
SRP_LOGIN_REJ_CHANNEL_LIMIT_REACHED = 0x00010006
};
enum {
SRP_REV10_IB_IO_CLASS = 0xff00,
SRP_REV16A_IB_IO_CLASS = 0x0100
};
struct srp_direct_buf {
__be64 va;
__be32 key;
__be32 len;
};
struct srp_indirect_buf {
struct srp_direct_buf table_desc;
__be32 len;
struct srp_direct_buf desc_list[0];
} __attribute__((packed));
enum {
SRP_MULTICHAN_SINGLE = 0,
SRP_MULTICHAN_MULTI = 1
};
struct srp_login_req {
u8 opcode;
u8 reserved1[7];
u64 tag;
__be32 req_it_iu_len;
u8 reserved2[4];
__be16 req_buf_fmt;
u8 req_flags;
u8 reserved3[5];
u8 initiator_port_id[16];
u8 target_port_id[16];
};
struct srp_login_rsp {
u8 opcode;
u8 reserved1[3];
__be32 req_lim_delta;
u64 tag;
__be32 max_it_iu_len;
__be32 max_ti_iu_len;
__be16 buf_fmt;
u8 rsp_flags;
u8 reserved2[25];
} __attribute__((packed));
struct srp_login_rej {
u8 opcode;
u8 reserved1[3];
__be32 reason;
u64 tag;
u8 reserved2[8];
__be16 buf_fmt;
u8 reserved3[6];
};
struct srp_i_logout {
u8 opcode;
u8 reserved[7];
u64 tag;
};
struct srp_t_logout {
u8 opcode;
u8 sol_not;
u8 reserved[2];
__be32 reason;
u64 tag;
};
struct srp_tsk_mgmt {
u8 opcode;
u8 sol_not;
u8 reserved1[6];
u64 tag;
u8 reserved2[4];
__be64 lun __attribute__((packed));
u8 reserved3[2];
u8 tsk_mgmt_func;
u8 reserved4;
u64 task_tag;
u8 reserved5[8];
};
struct srp_cmd {
u8 opcode;
u8 sol_not;
u8 reserved1[3];
u8 buf_fmt;
u8 data_out_desc_cnt;
u8 data_in_desc_cnt;
u64 tag;
u8 reserved2[4];
__be64 lun __attribute__((packed));
u8 reserved3;
u8 task_attr;
u8 reserved4;
u8 add_cdb_len;
u8 cdb[16];
u8 add_data[0];
};
enum {
SRP_RSP_FLAG_RSPVALID = 1 << 0,
SRP_RSP_FLAG_SNSVALID = 1 << 1,
SRP_RSP_FLAG_DOOVER = 1 << 2,
SRP_RSP_FLAG_DOUNDER = 1 << 3,
SRP_RSP_FLAG_DIOVER = 1 << 4,
SRP_RSP_FLAG_DIUNDER = 1 << 5
};
struct srp_rsp {
u8 opcode;
u8 sol_not;
u8 reserved1[2];
__be32 req_lim_delta;
u64 tag;
u8 reserved2[2];
u8 flags;
u8 status;
__be32 data_out_res_cnt;
__be32 data_in_res_cnt;
__be32 sense_data_len;
__be32 resp_data_len;
u8 data[0];
} __attribute__((packed));
struct srp_cred_req {
u8 opcode;
u8 sol_not;
u8 reserved[2];
__be32 req_lim_delta;
u64 tag;
};
struct srp_cred_rsp {
u8 opcode;
u8 reserved[7];
u64 tag;
};
struct srp_aer_req {
u8 opcode;
u8 sol_not;
u8 reserved[2];
__be32 req_lim_delta;
u64 tag;
u32 reserved2;
__be64 lun;
__be32 sense_data_len;
u32 reserved3;
u8 sense_data[0];
} __attribute__((packed));
struct srp_aer_rsp {
u8 opcode;
u8 reserved[7];
u64 tag;
};
#endif /* SCSI_SRP_H */
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